As I understand it, your body knows when it can't get enough oxygen, and it goes into survival mode wherein it tries desperately to get oxygen to your brain. It's one of the reasons people with sleep apnea often wake up with bad headaches; the body recognizes that it's not getting enough oxygen, so it starts prioritizing getting blood (and whatever oxygen is in it) to the brain, which increases the pressure inside the skull, et voila, un headache royale.
Apparently, the exception to this is nitrogen--your body can't tell the difference between oxygen and nitrogen, so if you ramp up the nitrogen and ramp down the oxygen, you just go to sleep, none the wiser. There's probably not a lot of nitrogen in a DSV, though...
It is longer than that. It takes two hours just to dive to that depth.
i was reading about how they actually landed on the Titanic's upper deck, near where the Captain was last seen to each lunch...one time they even got caught on the Titanic's propeller...definitely seems like amateur hour. almost like what if Jim Bob got his hands on a tank and wanted to make money by charging people to use it, than an actual company concerned with liability and safety.
It's a mix of breathing gasses along with other standards.
https://imorules.com/GUID-299D95825-3969-4848-9708-1667D9F58FCD5.html
Who’s aboard the Titan?
The members of the missing sub are believed to include British billionaire Hamish Harding, famed Titanic expert Paul-Henri Nargeolet, British businessman Shahzada Dawood, Dawood’s son Suleman and OceanGate CEO Rush himself.
The sub was constructed of Carbon Fiber and Titanium. That's all I know. Incredible pressures at that depth.
That was a reference to another three hour tour, three hour tour...
https://www.bbc.com/news/live/world-us-canada-65953941
Apparently searchers have heard “banging noises” in search for sub…details shorts..
Apparently searchers have heard “banging noises” in search for sub…details shorts..
30 minutes intervals as late as Tuesday
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